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DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. The theoretical production curve of oil indicates oil production is...
Near a maximum
Difference between the heat supplied and the heat exhausted
Waves and particles
Difference in the sped of light in water vs. air

2. Heat is the...
Momentum
Third principle of Centripetal force
Remains unchanged
Total internal energy of an object

3. The work that a heat engine is able to accomplish is ideally equivalent to the
Increasing speed and constant acceleration
Universal
First principle of Centripetal force
Difference between the heat supplied and the heat exhausted

4. All objects with mass are attracted to another by the gravitational force
Newtons first principle of Universal Gravitation
Movement
Means less power is transmitted
Increases the energy

5. When you add heat to a substance - its temperature...
Momentum
Might stay the same
Newtons third principle of Universal Gravitation
Near a maximum

6. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Halogen radicals interfering in ozone synthesis
Total internal energy of an object
Means less power is transmitted
Newtons first principle of Universal Gravitation

7. The reason that a spear fisherman cannot see where the fish is actually located is...
Waves and particles
Increases the energy
Newtons second principle of Universal Gravitation
Difference in the sped of light in water vs. air

8. Which is not one of the fundamental forces of nature...
5 m/s
Universal
Movement
Near a maximum

9. A temperature of -10 degrees celsius is equivalent to...
Halogen radicals interfering in ozone synthesis
Newtons second principle of Universal Gravitation
263 degrees kelvin
Mechanical - chemical - and radiant energy

10. The larger the centripetal force - the faster an object travels in a circle of a given size
Increases the energy
Second principle of Centripetal force
Twice the work
Waves and particles

11. Raising an auto in a service station requires work. Raising it twice as high requires...
Near a maximum
5 m/s
Twice the work
Increasing speed and constant acceleration

12. cogeneration uses...
Sulfur
Momentum
Newtons first principle of Universal Gravitation
Waste heat for secondary uses

13. Electromagnetic radiation can be viewed as...
Means less power is transmitted
Waste heat for secondary uses
Momentum
Waves and particles

14. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Twice the work
Increasing speed and constant acceleration
Momentum
Second principle of Centripetal force

15. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Difference between the heat supplied and the heat exhausted
Newtons third principle of Universal Gravitation
Disorder
Total internal energy of an object

16. In a generator - the flow of electrons (current) is created by...
Total internal energy of an object
Movement
Momentum
5 m/s

17. Increasing the frequency of light
First principle of Centripetal force
Increases the energy
Movement
Might stay the same

18. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Means less power is transmitted
263 degrees kelvin
Remains unchanged
Near a maximum

19. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Means less power is transmitted
Heat of fusion
Twice the work
Momentum

20. Circular motion requires centripetal force
Momentum
Waste heat for secondary uses
First principle of Centripetal force
Difference between the heat supplied and the heat exhausted

21. The gravitational force - two masses are directly proportional to the mass of each object
Third principle of Centripetal force
Remains unchanged
Halogen radicals interfering in ozone synthesis
Newtons second principle of Universal Gravitation

22. The ozone hole results from...
Universal
5 m/s
12 miles per hour
Halogen radicals interfering in ozone synthesis

23. If a charging elephant has kinetic energy - it must also have...
Momentum
Second principle of Centripetal force
Remains unchanged
Sulfur

24. In burning coal - what contaminant is of major concern as a pollutant...
Decreased
Sulfur
First principle of Centripetal force
Newtons first principle of Universal Gravitation

25. From the 50's and to the 70's - the pH of rain in the northeast had..
12 miles per hour
Decreased
Increases the energy
Second principle of Centripetal force

26. Electrical energy can be converted to...
Sulfur
Waste heat for secondary uses
Third principle of Centripetal force
Mechanical - chemical - and radiant energy

27. The weight of one kilogram of iron on earth is...
Means less power is transmitted
Waste heat for secondary uses
Remains unchanged
Less on the moon

28. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
12 miles per hour
Newtons third principle of Universal Gravitation
Momentum
Movement

29. At a given speed - the centripetal force - the smaller the circle.
First principle of Centripetal force
12 miles per hour
Third principle of Centripetal force
Near a maximum

30. Entropy refers to...
Disorder
Remains unchanged
Total internal energy of an object
12 miles per hour

31. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
5 m/s
12 miles per hour
Newtons third principle of Universal Gravitation
Heat of fusion